Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

A. Web based application development

B. Android application development

C. Server side application development

D. None of these

A. LinearLayoutManager

B. GridLayoutManager

C. StaggeredGridLayoutManager

D. None of these

A. It is used to delay the initialization of a variable

B. It is used to initialize a variable with a default value

C. It is used to declare a variable as immutable

D. It is used to perform a null-check on a variable

A. The safe call operator returns null if the expression is null

B. The safe call operator throws an exception if the expression is null

C. The safe call operator performs a null-check before accessing the expression

D. The safe call operator is used for nullable expressions

A. An open class can be extended, a final class cannot

B. An open class can be instantiated, a final class cannot

C. An open class can be declared as nullable

D. An open class can be declared as private

A. A function is a named block of code, a lambda is anonymous

B. A function can take arguments, a lambda cannot

C. A function returns a value using return, a lambda returns the last expression

D. A function can be called using its name, a lambda must be passed as a parameter

A. A top-level function is defined outside a class

B. A top-level function is defined inside a class

C. A top-level function is static

D. A top-level function can only be called from inside a class

A. A nullable variable can be null or have a value

B. A nullable variable can only have a value

C. A nullable variable can be cast to any other type

D. A nullable variable can only be accessed within a try-catch block

A. It is a functional language and based on Java Virtual Machine

B. It is an expressive language that makes code readable and understandable.

C. It makes code understandable and reusable

D. All of the above

A. Null Safety & Coroutines

B. Range expressions

C. Operator Overloading

D. All of the above